Snap-In Quad Port fittings for Flojet and Jabsco Diaphragm Pumps.
You can interchange and mix these brands of fittings, they are the same.
These are the most common 3/4" diameter snap-in portion "Standard Format" size.

These fittings fit all Flojet motor driven diaphram pumps under 6 GPM with Snap-In Ports except the LF Plus models.
These fittings fit all Flojet AOD Air Driven Pump Liquid Ports only. (Not the Air/CO2 Ports)
These fittings fit all Jabsco motor driven diaphragm pumps under 6 GPM.

If your Flojet or Jabsco diaphragm pump is 6 GPM or larger then you need "Large Format" fittings here:
Port Fittings - Large Format

3 O-Ring Choices:
Buna is typically used for water, oily water, bilge, light oils, engine oil change, diesel (not for biodiesel).
EPDM is typically used for water, drinking water, vinegar, acids, beer, wine, whiskey. Not suitable for any oils or diesel.
Viton is typically used for chemicals, hydrocarbons, diesel, biodiesel, heat over 180 F, agricultural chemicals, beer, wine, whiskey. Not suitable for ketones, acetone, organic acids, acetic acid etc.

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Strainers